Test Step 3 - Full Open Switch Sense Circuit Intermittent Short to Ground
CAUTION:
Never operate the Power Liftgate Drive Unit with the link rod removed as it could damage the Drive Unit.
- Gain access to the power liftgate drive unit harness connector.
- Gain access to the power liftgate module.
- With the scan tool in inputs/outputs, read the full open switch state.
- Ensure the link rod is connected at this time.
- Manually open the liftgate to mid position.
- While monitoring the scan tool, wiggle the wiring harness from the power liftgate module to the full open switch on the power liftgate drive unit assembly.
Did the switch status ever change?
Yes
- Repair the liftgate full open switch sense circuit for an intermittent short to ground.
- Perform the Body Verification Test. Refer to BODY VERIFICATION TEST .
No
- Replace the power liftgate drive unit. Refer to POWER LIFTGATE DRIVE UNIT .
- Perform the Body Verification Test. Refer to BODY VERIFICATION TEST .